Get the checkpoint history for a thread (POST variant).
Returns a list of past states ordered from newest to oldest. Use limit
to control how many states are returned and before to paginate.
Request model for thread history endpoint
Number of states to return
1 <= x <= 1000Return states before this checkpoint ID
Filter by metadata
Checkpoint for subgraph filtering
Include states from subgraphs
Checkpoint namespace
Successful Response
Channel values (messages, etc.)
Current checkpoint
Next nodes to execute
Tasks to execute
Interrupt data
Checkpoint metadata
Timestamp of state creation
Parent checkpoint
Checkpoint ID (for backward compatibility)
Parent checkpoint ID (for backward compatibility)